#! /bin/sh
#
# postsrsd
#               start/stop the postsrsd daemon for Postfix
#
# chkconfig: 2345 75 35
# description: Sender Rewriting Scheme (SRS) for Postfix.
# processname: postsrsd
# pidfile: /var/run/postsrsd.pid
# config: /etc/default/postsrsd

PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/postsrsd
NAME=postsrsd
prog=postsrsd
DESC="Postfix Sender Rewriting Scheme daemon"

PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0

. /etc/init.d/functions

# Default configuration
SRS_FORWARD_PORT=10001
SRS_REVERSE_PORT=10002
SRS_DOMAIN=`postconf -h mydomain || true`
SRS_SECRET=/etc/postsrsd.secret
SRS_SEPARATOR==
SRS_HASHLENGTH=4
SRS_HASHMIN=4
SRS_EXTRA_OPTIONS=
RUN_AS=nobody
CHROOT=/usr/lib/postsrsd
SRS_LISTEN_ADDR=127.0.0.1
SRS_EXCLUDE_DOMAINS=

# Read config file if it is present
if [ -r /etc/default/$NAME ]
then
	. /etc/default/$NAME
fi

test -r "$SRS_SECRET" -a -n "$SRS_DOMAIN" || exit 1

do_start()
{
	echo -n "Starting $DESC: "
	daemon $DAEMON $SRS_EXTRA_OPTIONS -f "$SRS_FORWARD_PORT" -r "$SRS_REVERSE_PORT" -d "$SRS_DOMAIN" \
	               -s "$SRS_SECRET" -n "$SRS_HASHLENGTH" -N "$SRS_HASHMIN" \
	               -u "$RUN_AS" -p "$PIDFILE" -a "$SRS_SEPARATOR" -c "$CHROOT" -l "$SRS_LISTEN_ADDR" -D -X"$SRS_EXCLUDE_DOMAINS"
	RETVAL=$?
	echo
    	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/$NAME
    	return $RETVAL
}

do_stop()
{
	echo -n "Stopping $DESC: "
	killproc $prog
        RETVAL=$?
        echo
        [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/$NAME
        return $RETVAL
}

case "$1" in
  start)
	do_start
	;;
  stop)
	do_stop
	;;
  status)
	status $NAME
	;;
  restart|force-reload)
	do_stop
	do_start
	;;
  reload)
	;;
  condrestart|try-restart)
	if [ -f /var/lock/subsys/$NAME ]; then
		do_stop
		do_start
	fi
	;;
  *)
	echo "Usage: $NAME {start|stop|restart|condrestart|try-restart|reload|force-reload|status|usage}"
	[ "$1" = "usage" ] && exit 0
	exit 2
	;;
esac
exit $?